#define _CRT_SECURE_NO_WARNINGS 2

#include<iostream>
using namespace std;

string read() {
	cout << "hello world" << endl;
}

class A {
public:
	A& operator=(const A& a) {

	}
	
	int Add(const int a) {
		return a;
	}

	int Add( int a) {
		++a;
		return a;
	}
	/*A& operator=(A a) {

	}*/
};

int main() {
	//bool read = false;
	//string s = read();
	const int x = 1;
	A a;
	a.Add(x);
	//a = b;
	/*string s("hello");
	cout << s.length() << endl;
	cout << s[5] << endl;
	cout << s.capacity() << endl;*/
	return 0;
}